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Science News Archive December 2024


Page 8 of 39

Researchers reveal mechanisms underlying Sjögren’s disease

New discoveries by NYU researchers find that impaired regulatory T cells are a key contributor to Sjögren's disease in both mice and humans. Calcium signaling also plays a crucial role in the development of the autoimmune disorder, which affects glands producing saliva and tears.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

How sound and vibration converge in the brain to enhance sensory experience

A study by Harvard Medical School researchers found that high-frequency mechanical vibrations are routed from the body to the inferior colliculus in the midbrain, amplifying sensory experience. This convergence enables organisms to perceive and respond to subtle changes in their environment, critical for survival.

Syphilis had its roots in the Americas

Researchers have analyzed ancient DNA from Mexico, Chile, Peru, and Argentina to determine the origin of syphilis. The study found that syphilis-like infections occurred in the Americas for millennia and supports an American origin for the disease.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Getting in sync: Wearables reveal happiest times to sleep

A new study from the University of Michigan found connections between sleep cycles and circadian rhythm disruptions in relation to moods. The research used Fitbit data from hundreds of medical interns to establish links between aligned and misaligned sleep patterns and real-world measures of mental health.

A new class of cosmic X-ray sources discovered

Researchers identified a group of unusual objects emitting long-duration outbursts of X-rays, which may be caused by binary star systems with white dwarfs and subgiant stars. The discovery of millinovae could provide insights into the astrophysics of Type Ia supernovae.

Surgeons hesitant to adopt medical innovations for bone defects

A QUT-led study found that surgeons are slow to adopt newly developed biomaterials or tissue-engineered solutions for treating bone defects. The researchers surveyed 337 surgeons and 99 scientists, revealing a significant gap between their optimism about future advancements and the slow adoption of these innovations in clinical practice.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

MouseGoggles offer immersive look into neural activity

Researchers at Cornell University have created mini virtual reality (VR) headsets called MouseGoggles, which allow mice to navigate virtual environments with greater immersion and accuracy. The technology has the potential to reveal insights into spatial navigation and memory function, shedding light on disorders like Alzheimer's disease.

Influencers: Their power is real when a person has cancer

A team of researchers from Wilmot Cancer Institute and University of Rochester Medical Center investigate how social networks influence cancer patients' treatment decisions. They plan to analyze 300 local individuals aged 65+ with advanced cancer, tracking their networks and decision-making processes.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Unionization efforts by physicians between 2000 and 2024

Between 2000 and 2022, there was a significant increase in physician union petitions filed and certified. However, the number of petitions increased again in 2023, driven by growing concerns about working conditions, physician autonomy, and voice in management, ultimately affecting patient care quality.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

One pot synthesize cubic polymeric nitrogen at ambient

Researchers have successfully prepared stable polymeric nitrogen materials at ambient conditions using azides as precursors through a thermal treatment process. The yield is significantly higher than that of polymeric nitrogen materials prepared by high pressure methods, making it a promising technique for scale-up preparation.

Tracking other people’s minds in communication

Researchers propose a new 'mind-tracking' model of communication, integrating social micro-processes to understand non-literal language. Everyday examples like choosing articles or demonstratives demonstrate the interdependence between language and social cognition.

New knit haptic sleeve simulates realistic touch

Researchers at Stanford University have designed a comfortable, flexible knit sleeve that simulates realistic touch using pressure-based haptics. The Haptiknit sleeve provides more accurate tactile feedback than vibration-based devices, allowing for smoother navigation, military communication, and rehabilitation.

Back to the past: The death of stars reveals their birth

Researchers at SISSA used a backward approach to derive the mass of newly formed stars from observations of supernovae and gamma-ray bursts. The result is surprisingly similar to that measured in regions closest to us, suggesting a possible universal initial mass function. This discovery will be tested by future telescope observations.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Study reveals the positive link between home kitchens and adolescents’ health

A recent study published in the Journal of Nutrition Education and Behavior reveals a significant influence of home food environments on adolescent dietary patterns. Home food availability, particularly fruits and vegetables, promotes healthier eating habits, while neighborhood fast-food options negatively affect dietary quality.

Mind’s ear: Investigating the sounds in your head

Researchers are studying individuals with a silent mind, known as anauralia, to understand its effects on attention and creativity. The University of Auckland is hosting a global conference to share insights from scientists, philosophers, musicians, and writers.

Young exoplanet’s atmosphere unexpectedly differs from its birthplace

Researchers have discovered a mismatched composition of gases in the planet's atmosphere compared to gases within the disk. The study found that the ratio of carbon and oxygen gases in the planet is much lower than expected, suggesting that current models of planet formation may be too simplified.

Low-dose plasma treatment: A new hope for cancer therapy?

A recent study by Prof. HAN Wei at the Hefei Institutes of Physical Science has shown that low-dose Cold Atmospheric Plasma (CAP) treatment can effectively slow down tumor growth. CAP damages mitochondria, causing oxidative stress and cell death, which prevents tumors from growing.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

How do we use STOC-T to assess ocular microcirculation?

Researchers used STOC-T to visualize retinal microcirculation in real-time, providing insights into the mechanisms of retinal function. The study offers a groundbreaking opportunity for precise monitoring of hemodynamic changes in the retina, enabling early detection and treatment of diseases such as Alzheimer's and Parkinson's.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Brain inflammation alters behaviour according to sex

Researchers found that neuroinflammation in the hippocampus significantly alters motivation and behaviour in mice, particularly in females. This study suggests that treatments targeting hippocampal neuroinflammation could help reduce cognitive and behavioural symptoms in diseases such as Alzheimer's and Depression.

A Survey on Multimodal Large Language Models

This review summarizes the progress in multimodal large language models, enabling advanced applications like intelligent agents and coding assistants. The training of MLLMs involves three stages: pre-training, instruction-tuning, and alignment tuning, with new techniques addressing hallucinations and human values.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

ChatGPT errors show it cannot replace finance professionals, yet

A study by Washington State University found that ChatGPT struggles with nuanced financial tasks, even when compared to human professionals. The AI model performed well on broad concepts but showed significant inaccuracy on specialized topics such as determining clients' insurance coverage and tax status.

After lockdown, immune system reacts more strongly to viruses and bacteria

Research from Radboud University Medical Center shows that lockdowns during the COVID-19 pandemic strengthened the immune system's response to microorganisms. The study found that after lockdowns, inflammation levels in the body were low but the immune system reacted more intensely to viruses and bacteria.

Q&A: New AI training method lets systems better adjust to users’ values

Researchers at the University of Washington developed a new method called variational preference learning, which predicts users' preferences and tailors its outputs accordingly. This approach overcomes the limitations of traditional RLHF, which can lead to averaging user preferences and resulting in incorrect outputs for all users.

Nature’s instructions: How fungi make a key medicinal molecule

Researchers from the University of Pennsylvania School of Engineering and Applied Science have discovered a previously unreported enzyme that catalyzes the creation of cyclopentachromone-containing compounds. This breakthrough could potentially lead to the development of new pharmaceuticals for treating cancer and inflammation.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Old moon with a young crust

A recent study resolves contradictions in the Moon's age and composition. Researchers found that the Moon's crust was melted twice, with the second heating event resetting its geological clock and altering the age of lunar rocks. This discovery sheds light on the Moon's turbulent history and volcanic past.

Microplastics in the air may be leading to lung and colon cancers

A review of 3,000 studies suggests microplastics in the air may cause serious health problems, including colon cancer, poor lung function, and infertility. The tiny plastic particles are believed to contribute to chronic pulmonary inflammation, increasing the risk of lung cancer.

Leveraging AI to assist clinicians with physical exams

A new study found that large language models can provide useful physical exam recommendations and instructions based on patient symptoms. The researchers used GPT-4 to recommend physical exam instructions and evaluated its performance by three attending physicians, scoring at least 80% of the possible points.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Fairy tales can help teach children about healthy sleep

Researchers suggest that traditional fairy tales like Snow White, The Princess and the Pea, Goldilocks and the Three Bears, and Peter Pan offer opportunities to discuss healthy sleep with children. These stories highlight the importance of optimising environmental conditions and managing stress for better sleep.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Are AI chatbots helping the planet—or repeating old biases?

A recent study from UBC researchers found that AI chatbots contain biases that can shape environmental discourse in unhelpful ways. The bots amplified existing societal biases and leaned heavily on past experience to propose solutions, largely steering clear of bold responses.

Nonlinear skin effect unveiled in antiferromagnetic materials

A team of researchers discovered a unique phenomenon, known as the skin effect, in antiferromagnetic materials, where nonlinear optical responses are concentrated on the surfaces. This finding opens exciting opportunities for high-performance device applications and fundamental scientific research.

Potentially harmful bacteria slip through antimicrobial showerheads

Researchers found that silver did not reduce overall bacteria in water samples from silver-containing showerheads, but its composition varied with each type of fixture tested. The study suggests that rare microbes in these showerheads could be more prone to forming biofilms in response to the stressful environment.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

New study reveals how children misunderstand medical jargon

A new University of Minnesota Medical School study highlights how children ages 4 to 12 interpret common medical phrases, revealing surprising misunderstandings. The research team recommends that healthcare professionals avoid jargon and use developmentally appropriate language to improve child patients' experiences.

Coral reef nightlife becomes more predatory with artificial light

Research using novel underwater infrared cameras reveals that artificial light wakes sleeping fish and attracts predators to coral reefs at night, changing community composition. This alteration is concerning as it may be essential for regenerating energy and maintaining fitness in marine life.